toys/other/pwdx.c

0f66f451Sopenharmony_ci/* pwdx.c - report current directory of a process.
0f66f451Sopenharmony_ci *
0f66f451Sopenharmony_ci * Copyright 2013 Lukasz Skalski <l.skalski@partner.samsung.com>
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ciUSE_PWDX(NEWTOY(pwdx, "<1a", TOYFLAG_USR|TOYFLAG_BIN))
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ciconfig PWDX
0f66f451Sopenharmony_ci  bool "pwdx"
0f66f451Sopenharmony_ci  default y
0f66f451Sopenharmony_ci  help
0f66f451Sopenharmony_ci    usage: pwdx PID...
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ci    Print working directory of processes listed on command line.
0f66f451Sopenharmony_ci*/
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ci#include "toys.h"
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_civoid pwdx_main(void)
0f66f451Sopenharmony_ci{
0f66f451Sopenharmony_ci  char **optargs;
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ci  for (optargs = toys.optargs; *optargs; optargs++) {
0f66f451Sopenharmony_ci    char *path = toybuf;
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ci    sprintf(toybuf, "/proc/%d/cwd", atoi(*optargs));
0f66f451Sopenharmony_ci    if (!readlink0(path, toybuf, sizeof(toybuf))) {
0f66f451Sopenharmony_ci      path = strerror(errno);
0f66f451Sopenharmony_ci      toys.exitval = 1;
0f66f451Sopenharmony_ci    }
0f66f451Sopenharmony_ci
0f66f451Sopenharmony_ci    xprintf("%s: %s\n", *optargs, path);
0f66f451Sopenharmony_ci  }
0f66f451Sopenharmony_ci}